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What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?
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What is the molarity of a solution prepared by dissolving 12.9 grams of naf in enough water to produce 750 ml of solution?

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User Fouad Boukredine
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8.6k points

1 Answer

7 votes
Molarity = moles/Volume in Liters

We have volume, we need moles
molar mass of NaF = 42

moles = mass/molar mass = 12.9 g/ 42 = 0.307 moles

Molarity =0.307 moles / 0.750 L

Molarity = 0.41M
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User Frank Wiles
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7.9k points
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